Papers

V. Petruhanov, A. Pechen·Sep 5, 2023

An important problem in quantum computation is the generation of single-qubit quantum gates such as Hadamard (H) and π/8 (T) gates, which are components of a universal set of gates. Qubits in experimental realizations of quantum computing devices are...

Yuwei Jin, Zirui Li, Fei Hua +4 more·Sep 5, 2023

Quantum computing has shown promise in solving complex problems by leveraging the principles of superposition and entanglement. Variational quantum algorithms (VQA) are a class of algorithms suited for near-term quantum computers due to their modest ...

S. Karamintziou, Thanassis Mavropoulos, Dimos Ntioudis +3 more·Sep 5, 2023

We face up to the challenge of explainability in Multimodal Artificial Intelligence (MMAI). At the nexus of neuroscience-inspired and quantum computing, interpretable and transparent spin-geometrical neural architectures for early fusion of large-sca...

S. Daimon, Kakeru Tsunekawa, Ryoto Takeuchi +3 more·Sep 5, 2023

Quantum coherence in a qubit is vulnerable to environmental noise. When long quantum calculation is run on a quantum processor without error correction, the noise causes fatal errors and messes up the calculation. Here, we propose quantum-circuit dis...

Md Ajaharul Hossain, Ramakrishna Bandi·Sep 5, 2023

Conjucyclic codes are part of a family of codes that includes cyclic, constacyclic, and quasi-cyclic codes, among others. Despite their importance in quantum error correction, they have not received much attention in the literature. This paper focuse...

Ran Li, Xuanhua Wang, Kun Zhang +1 more·Sep 5, 2023

The effective field theory description of a radiating black hole introduces redundant degrees of freedom that necessitate annihilation of those modes at late stages to conserve entropy. The prevailing view is that such effective process can result in...

Gonzalo Camacho, B. Fauseweh·Sep 5, 2023

Nonequilibrium phases of quantum matter featuring time crystalline eigenstate order have been realized recently on noisy intermediate-scale quantum (NISQ) devices. While ideal quantum time crystals exhibit collective subharmonic oscillations and spat...

Martin Ekerå·Sep 4, 2023

Ekerå and Håstad have introduced a variation of Shor's algorithm for the discrete logarithm problem (DLP). Unlike Shor's original algorithm, Ekerå-Håstad's algorithm solves the short DLP in groups of unknown order. In this work, we prove a lower boun...

Mark Carney·Sep 4, 2023

This paper describes how to `Free the Qubit' for art, by creating standalone quantum musical effects and instruments. Previously released quantum simulator code for an ARM-based Raspberry Pi Pico embedded microcontroller is utilised here, and several...

Jacob A. Barandes·Sep 3, 2023

This paper introduces several new classes of mathematical structures that have close connections with physics and with the theory of dynamical systems. The most general of these structures, called indivisible stochastic processes, collectively encomp...

Tian-Gang Zhou, P. Zhang·Sep 3, 2023

Classical shadow tomography serves as a potent tool for extracting numerous properties from quantum many-body systems with minimal measurements. Nevertheless, prevailing methods yielding optimal performance for few-body operators necessitate the appl...

R. W. Bomantara·Sep 3, 2023

We study an analytically solvable and experimentally relevant number-conserving periodically driven $p$-wave superconductor. Such a system is found to support generalized Majorana zero and $\pi$ modes which, despite being non-Hermitian, are still cap...

Domenico Cantone, S. Faro, Arianna Pavone +1 more·Sep 3, 2023

The Longest Common Substring (LCS) and Longest Palindromic Substring (LPS) are classical problems in computer science, representing fundamental challenges in string processing. Both problems can be solved in linear time using a classical model of com...

Nouhaila Innan, Abhishek Sawaika, Ashim Dhor +7 more·Sep 3, 2023

Financial fraud detection is essential for preventing significant financial losses and maintaining the reputation of financial institutions. However, conventional methods of detecting financial fraud have limited effectiveness, necessitating the need...

Oluwadara Ogunkoya, Joo-Von Kim, Bo Peng +2 more·Sep 1, 2023

Quantum information processing has witnessed significant advancements through the application of qubit-based techniques within universal gate sets. Recently, exploration beyond the qubit paradigm to $d$-dimensional quantum units or qudits has opened ...

M. M. Munia, S. Monir, E. N. Osika +2 more·Sep 1, 2023

Atomic engineering in a solid-state material has the potential to functionalize the host with novel phenomena. STM-based lithographic techniques have enabled the placement of individual phosphorus atoms at selective lattice sites of silicon with atom...

K. Takeda, A. Noiri, Takashi Nakajima +5 more·Sep 1, 2023

Silicon-based spin qubits offer a potential pathway toward realizing a scalable quantum computer owing to their compatibility with semiconductor manufacturing technologies. Recent experiments in this system have demonstrated crucial technologies, inc...

Sahil Gulania, Stephen K. Gray, Yuri Alexeev +2 more·Sep 1, 2023

The time-dependent Hartree–Fock (TDHF) method is an approach to simulate the mean field dynamics of electrons within the assumption that the electrons move independently in their self-consistent average field and within the space of single Slater det...

Jakob Günther, Alberto Baiardi, M. Reiher +1 more·Aug 31, 2023

Quantum computation is one of the most promising new paradigms for the simulation of physical systems composed of electrons and atomic nuclei, with applications in chemistry, solid-state physics, materials science, and molecular biology. This require...

Xiaorang Guo, Kun Qin, Martin Schulz·Aug 31, 2023

Quantum computing promises an effective way to solve targeted problems that are classically intractable. Among them, quantum computers built with superconducting qubits are considered one of the most advanced technologies, but they suffer from short ...